Nginx ab压力测试

20-ab压力测试及nginx性能统计模块

优化的启发，打开的文件太多

Nginx 错误日志显示，打开文件数太多

系统层面

more /proc/sys/net/core/somaxconn

单个Nginx 测试index.html

没优化前

[root@/home/www]#ab -c 4000 -n 100000  http://test.demo.com/index.html
Concurrency Level:      4000
Time taken for tests:   18.596 seconds
Complete requests:      100000
Failed requests:        99350(Connect: 0, Receive: 0, Length: 99350, Exceptions: 0)
Non-2xx responses:      99780
Total transferred:      31953900 bytes
HTML transferred:       16180560 bytes
Requests per second:    5377.62 [#/sec] (mean)
Time per request:       743.823 [ms] (mean)
Time per request:       0.186 [ms] (mean, across all concurrent requests)
Transfer rate:          1678.09 [Kbytes/sec] receivedConnection Times (ms)min  mean[+/-sd] median   max
Connect:        0  204 582.3      2    7522
Processing:     2  101 612.0     12   17019
Waiting:        2   76 287.2     12    6939
Total:          3  305 862.2     14   17019Percentage of the requests served within a certain time (ms)50%     1466%     1775%    20880%    21790%   101495%   123898%   301799%   3218100%  17019 (longest request)

优化后

[root@/home/www]#ab -c 4000 -n 100000  http://test.demo.com/index.html
Concurrency Level:      4000
Time taken for tests:   8.154 seconds
Complete requests:      100000
Failed requests:        0
Non-2xx responses:      100000
Total transferred:      32000000 bytes
HTML transferred:       16200000 bytes
Requests per second:    12263.42 [#/sec] (mean)
Time per request:       326.173 [ms] (mean)
Time per request:       0.082 [ms] (mean, across all concurrent requests)
Transfer rate:          3832.32 [Kbytes/sec] receivedConnection Times (ms)min  mean[+/-sd] median   max
Connect:        1  139 418.0      5    3031
Processing:     2  101 106.9     74    1542
Waiting:        2   99 106.7     73    1542
Total:          3  240 433.1     81    4542Percentage of the requests served within a certain time (ms)50%     8166%     9175%    11580%    26890%   106695%   108598%   127599%   3018100%   4542 (longest request)

ab 测试过程出现的以下问题，则是由于客户端原因造成的，而不是服务器原因，修改客户端配置既可以

Completed 1000 requests
Completed 2000 requests
apr_socket_recv: Connection timed out (110)
Total of 2893 requests completed

转载于:https://www.cnblogs.com/tinywan/p/6936374.html

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